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diff --git a/lib/inets/src/inets_app/inets_time_compat.erl b/lib/inets/src/inets_app/inets_time_compat.erl
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2015-2015. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+%% This module is created to be able to execute on ERTS versions both
+%% earlier and later than 7.0.
+
+-module(inets_time_compat).
+
+%% We don't want warnings about the use of erlang:now/0 in
+%% this module.
+-compile(nowarn_deprecated_function).
+
+-export([monotonic_time/0,
+ timestamp/0,
+ unique_integer/0,
+ unique_integer/1]).
+
+monotonic_time() ->
+ try
+ erlang:monotonic_time()
+ catch
+ error:undef ->
+ %% Use Erlang system time as monotonic time
+ erlang_system_time_fallback()
+ end.
+
+timestamp() ->
+ try
+ erlang:timestamp()
+ catch
+ error:undef ->
+ erlang:now()
+ end.
+
+unique_integer() ->
+ try
+ erlang:unique_integer()
+ catch
+ error:undef ->
+ erlang_system_time_fallback()
+ end.
+
+unique_integer(Modifiers) ->
+ try
+ erlang:unique_integer(Modifiers)
+ catch
+ error:badarg ->
+ erlang:error(badarg, [Modifiers]);
+ error:undef ->
+ erlang_system_time_fallback()
+ end.
+
+erlang_system_time_fallback() ->
+ {MS, S, US} = erlang:now(),
+ (MS*1000000+S)*1000000+US.